<template>
  <div id="app">
    <h2>我是APP组件</h2>
    <!-- <router-link to="/home" tag="button" replace active-class="active">首页</router-link>
    <router-link to="/about" tag="button" replace active-class="active">关于</router-link> -->
    <!-- <router-link to="/home" tag="button" replace>首页</router-link>
    <router-link to="/about" tag="button" replace>关于</router-link> -->
    <!-- <button @click="homeClick">首页</button>
    <button @click="aboutClick">关于</button> -->

    <router-link to="/home">首页</router-link>
    <router-link to="/about">关于</router-link>
    <!-- <router-link :to="'/user/'+userId">用户</router-link> -->
    <!-- <router-link to="/profile">档案</router-link> -->
    <!-- <router-link :to="{path: '/profile', query: {name: 'why', age: 18, height: '1.88'}}">档案</router-link> -->
    <button @click="userClick">用户</button>
    <button @click="profileClick">档案</button>

    <!-- include相反 -->
    <keep-alive exclude="Profile,User">
      <router-view/>
    </keep-alive>    
  </div>
</template>

<script>
export default {
  name: 'App',
  data() {
    return {
      userId: 'zhangsan'
    }
  },
  methods: {
    homeClick() {
      //通过代码的方式修改路径
      //push => pushState
      // this.$router.push('./home')
      this.$router.replace('./home')
      console.log('honeClick')
    },
    aboutClick() {
      // this.$router.push('./about')
      this.$router.replace('./about')
      console.log('aboutClick')
    },
    userClick() {
      this.$router.push('/user/' + this.userId)
    },
    profileClick() {
      this.$router.push({
        path: '/profile',
        query: {
          name: 'kobe',
          age: 19,
          height: 1.87
        }
      })
    }
  }
}
</script>

<style>
/* .router-link-active {
  color: #f00;
} */
.active {
  color: #f00;
}
</style>
